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3 years ago

Help please ! mathematics

Mathematics

1 answer:

love history [14]3 years ago

3 0

Answer:

b.$65 for 13 yards of denim

Step-by-step explanation:

price increased by5

so definitely $65 only...

hope that this will help u

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If you flip the coin five times what is the probability that it will be tail all five times

vichka [17]

The probability is 1/25

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3 years ago

Micheal's mean score for five tests was 82. if four of those tests were 83,75,93, and 67, what was the fifth score on his test?

bezimeni [28]

Let T represent the fifth test score. The average is the sum of scores divided by their number.

... 82 = (83 +75 +93 +67 +T)/5

... 410 = 318 +T . . . . . . . multiply by 5

... 92 = T . . . . . . . . . . . . subtract 318

The fifth score was 92.

_____

One of the ways I like to work problems like these is to add the differences from the mean. Those are ...

1, -7, 11, -15

so their sum is -10.

The final score must be 10 above the mean in order for this total to be zero. 10 above the mean is 92.

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3 years ago

Aurora is planning to participate in an event at her school's field day that requires her to complete tasks at various stations

Svetlanka [38]

Answer:

Part A

it uses a geometric sequence because it shares the same ratio.

Part B

it would take aurora 64 minutes to complete station 5 since every station the time doubles from the station before

Part C

it will take 512 minutes to complete station 8.

Step-by-step explanation:

took test

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3 years ago

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the best expression to estimate the quotie

Jobisdone [24]

You haven't shared the list of expressions from which you are to choose an answer.

However: you can perform this estimation yourself as follows:

Round off both -21.87 and 4.79. -21.87 goes to -22 and 4.79 to 5. Then
a good estimate of -21.87 divided by 4.79 would be -22/5, or -4.4.

6 0

3 years ago

Read 2 more answers

a local citizen wants to fence a rectangular community garden the length of the garden should be at least 110 ft, and the distan

Agata [3.3K]

______________
| |
| | y
|_____________|
x

The rectangular fence will have length x and width y, and we know that the distance around, the perimeter (2x+2y), should not exceed 380 ft. We also know that the length should be at least 110 ft, so x=110.
Now we can set up our inequality:
$2(110)+2y \leq 380$
$220+2y \leq 380$
$2y \leq 160$
$y \leq 80$

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3 years ago